Average Co-Inventor Count = 2.00
ph-index = 4
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Hitachi Koki Co., Ltd. (4 from 1,267 patents)
4 patents:
1. 9876201 - Electric working machine and electric working machine system
2. D792182 - Jig saw
3. D752405 - Jig saw
4. D740088 - Agricultural machine driving apparatus